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Ich habe eine Anwendung vorbereitet, die CRUD-Operationen im Frühjahr (MVC)Ruhezustandsformular mit Validierungen
mit Hibernate Validator durchführt.
Ich bin erfolgreich in der Lage Validierungen auf Hinzufügen Seite zu bewerben, und bin auch
Lagewenden sie auf der Update-Seite
Fehler: Das Formular auf der Update-JSP-Seite übermittelt bekommt, wegen
Validierungen aber die Überprüfungsmeldungen werden nicht angezeigt auf der Ansicht updatePerson.jsp
Unten ist mein Code:
//////////////////////////////-Controller //////// ////////////////////
package com.controller;
import java.io.IOException;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import javax.validation.Valid;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.ui.ModelMap;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.servlet.ModelAndView;
import com.model.Person;
import com.service.PersonService;
@Controller
public class MainController {
@Autowired
private PersonService ps;
@RequestMapping("/")
public ModelAndView listPersons(ModelAndView model) throws IOException {
List<Person> listper = ps.list();
model.addObject("personsList", listper);
model.setViewName("index");
return model;
}
@RequestMapping(value = "/newPerson", method = RequestMethod.GET)
public ModelAndView newPerson(ModelAndView model) throws IOException {
@SuppressWarnings("unused")
Person p = new Person();
model.addObject("person", new Person());
model.setViewName("AddPerson");
return new ModelAndView("AddPerson", "person", new Person());
}
@RequestMapping(value="/save")
public String save(@ModelAttribute @Valid Person p, BindingResult result) {
if(result.hasErrors())
{
return "AddPerson";
}
else
{
ps.save(p);
return "redirect:http://localhost:8080/MainAssignment3/";
}
}
@RequestMapping("/removePerson")
public String remove(HttpServletRequest req) {
int id = Integer.parseInt(req.getParameter("id"));
ps.removePerson(id);
return "redirect:http://localhost:8080/MainAssignment3/";
}
@RequestMapping("/update")
public String update(@ModelAttribute @Valid Person p1,BindingResult result,Model p) {
System.out.println(p1.getName());
int id=p1.getId();
// ps.getPersonById(p.getId());
if(result.hasErrors())
{
p.addAttribute("p1", p1);
p.addAttribute("id", id);
p.addAttribute("name", p1.getName());
p.addAttribute("gender", p1.getGender());
p.addAttribute("address", p1.getAddress());
p.addAttribute("salary", p1.getSalary());
return "redirect:http://localhost:8080/MainAssignment3/updatePerson";
}
else{
ps.save(p1);
return "redirect:http://localhost:8080/MainAssignment3/";
}}
@RequestMapping("/updatePerson")
public ModelAndView updatePerson(HttpServletRequest req, ModelMap p1,Model p) {
p1.addAttribute("p1",new Person());
int id = Integer.parseInt(req.getParameter("id"));
String name = req.getParameter("name");
String address = req.getParameter("address");
String gender = req.getParameter("gender");
String salary = req.getParameter("salary");
p1.addAttribute("id", id);
p1.addAttribute("name", name);
p1.addAttribute("gender", gender);
p1.addAttribute("address", address);
p1.addAttribute("salary", salary);
p1.addAttribute("p1",new Person());
return new ModelAndView("updatePerson", "person", p1);
}
}
/////////////////////// ///// MODEL ///////////////////////////////
package com.model;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.validation.Valid;
import javax.validation.constraints.Max;
import javax.validation.constraints.Min;
import javax.validation.constraints.NotNull;
import javax.validation.constraints.Size;
import org.springframework.format.annotation.NumberFormat;
import org.springframework.format.annotation.NumberFormat.Style;
@Entity
public class Person {
@Id
@GeneratedValue(strategy=GenerationType.AUTO)
private Integer id;
@Valid @NotNull(message="(Please enter a value)") @Column(nullable = false)@Size(min = 6, max = 15)
private String name;
@Min(value=5, message="(Must be greater than 5 characters)")//@NotNull(message="(Please enter a value)") @Column(nullable = false)
private String address;
@Valid @NumberFormat(style=Style.CURRENCY) @NotNull(message="(Please enter a value)") @Column(nullable = false)
private Integer salary;
@Max(value=5, message="(Must not be greater than 6 characters)")
private String gender;
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getAddress() {
return address;
}
public void setAddress(String address) {
this.address = address;
}
public Integer getSalary() {
return salary;
}
public void setSalary(Integer salary) {
this.salary = salary;
}
public String getGender() {
return gender;
}
public void setGender(String gender) {
this.gender = gender;
}
}
////// /////////////////////// Validierungseigenschaften ///////////////////////
NotNull.p.salary=invalid
NotNull.p.name=invalid
Size.p.name=Name must be between {6} and {15} characters long
Max.p.gender=Must not be more than {6} characters
Min.p.address=Must be greater than {5} characters
////////////////////////////////index.jsp//////////////////////
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<%@ taglib prefix="form" uri="http://www.springframework.org/tags/form"%>
<%@ taglib uri="http://www.springframework.org/tags/form"
prefix="springForm"%>
<%@ taglib prefix="spring" uri="http://www.springframework.org/tags"%>
<html>
<head>
<meta charset="utf-8">
<title>Welcome</title>
</head>
<body>
<h2>Hello World!</h2>
<h3><a href="/MainAssignment3/newPerson">Add Person</a></h3>
<table border="1">
<tr>
<th>id</th>
<td>name<springForm:errors path='${p.name}' /></td>
<td>address<springForm:errors path='${p.address}' /></td>
<td>gender<springForm:errors path='${p.gender}' /></td>
<td>salary<springForm:errors path='${p.salary}' /></td>
</tr>
<c:forEach var="p" items='${personsList}' varStatus="status">
<tr>
<td>${p.id}</td>
<td>${p.name}</td>
<td>${p.address}</td>
<td>${p.gender}</td>
<td>${p.salary}</td>
<td>
<a href="/MainAssignment3/updatePerson?id=${p.id}&name=${p.name}&address=${p.address}&gender=${p.gender}&salary=${p.salary}">Edit</a>
<a href="/MainAssignment3/removePerson?id=${p.id}">Delete</a>
</td>
</tr>
</c:forEach>
</table>
</body>
</html>
////////////////////////////AddPerson.jsp////////////////////// ////////
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<%@ taglib prefix="form" uri="http://www.springframework.org/tags/form"%>
<%@ taglib uri="http://www.springframework.org/tags/form"
prefix="springForm"%>
<%@ taglib prefix="spring" uri="http://www.springframework.org/tags"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Add Employee Here</title>
</head>
<body>
<h1>Employee Registration Form</h1>
<springForm:form action="/MainAssignment3/save" method="POST"
commandName="person">
<table style="border: thin; border: ridge;">
<tr>
<td>Enter Name:</td>
<td bordercolor="#FF0000" ><springForm:input path="name" id="name"
placeholder="Enter Name" /></td>
<td><springForm:errors path="name" /></td>
</tr>
<tr>
<td>Enter address:</td>
<td><input type="text" name="address" placeholder="Enter Address" ></td>
<td><springForm:errors path="address" /></td>
</tr>
<tr>
<td>Enter gender:</td>
<td><springForm:input path="gender" id="gender" placeholder="Enter Gender" /></td>
<td><springForm:errors path="gender" /></td>
</tr>
<tr>
<td>Enter salary:</td>
<td><input type="text" name="salary" placeholder="Enter Salary" ></td>
<td><springForm:errors path="salary" /></td>
<td style="padding-left: 110px;"></td>
</tr>
<tr>
<td><input type="submit"value="submit"></td>
</tr>
</table>
</springForm:form>
</body>
</html>
/////////////////////////////////// /updatePerson.jsp//////////////////////
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<%@ taglib prefix="form" uri="http://www.springframework.org/tags/form"%>
<%@ taglib uri="http://www.springframework.org/tags/form"
prefix="springForm"%>
<%@ taglib prefix="spring" uri="http://www.springframework.org/tags"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Add Employee</title>
</head>
<body>
<springForm:form action="/MainAssignment3/update" method="POST" commandName="p1">
<table style="border: thin; border: ridge;">
<tr>
<td><input type="hidden" name="id" value="${id}"></td>
</tr>
<tr>
<td>Enter Name:</td>
<td bordercolor="#FF0000" ><springForm:input path="name" value='${name}'
placeholder="Enter Name" /></td>
<td><springForm:errors path='${p1.name}'/></td>
</tr>
<tr>
<td>Enter address:</td>
<td><springForm:input path="address" id="address" placeholder="Enter Address" value='${address}'/></td>
<td><springForm:errors path='${p1.address}'/></td>
</tr>
<tr>
<td>Enter gender:</td>
<td><springForm:input path="gender" id="gender" placeholder="Enter Gender" value='${gender}'/></td>
<td><springForm:errors path='${p1.gender}'/></td>
</tr>
<tr>
<td>Enter salary:</td>
<td><springForm:input path="salary" id="salary" placeholder="Enter Salary" value='${salary}'/></td>
<td><springForm:errors path='${p1.salary}' /></td>
<td style="padding-left: 110px;"></td>
</tr>
<tr>
<td><input type="submit"value="submit"></td>
</tr>
</table>
</springForm:form>
</body>
</html>
///////////////// /////////////pom.xml////////////////////
<dependencies>
<!-- Spring MVC -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${spring-framework.version}</version>
</dependency>
<dependency>
<groupId>javax.validation</groupId>
<artifactId>validation-api</artifactId>
<version>1.1.0.Final</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>4.3.2.RELEASE</version>
</dependency>
<dependency> <groupId>org.springframework</groupId> <artifactId>spring-tx</artifactId>
<version>4.3.2.RELEASE</version> </dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-validator</artifactId>
<version>5.2.4.Final</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>6.0.3</version>
</dependency>
<dependency> <groupId>javax.transaction</groupId> <artifactId>jta</artifactId>
<version>1.1</version> </dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>5.2.1.Final</version>
</dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>javax.servlet.jsp-api</artifactId>
<version>2.3.1</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-orm</artifactId>
<version>4.3.2.RELEASE</version>
</dependency>
<!-- Other Web dependencies -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>${jstl.version}</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>${servlet.version}</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>jsp-api</artifactId>
<version>${jsp.version}</version>
<scope>provided</scope>
</dependency>
<!-- Spring and Transactions -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>${spring-framework.version}</version>
</dependency>
<!-- Logging with SLF4J & LogBack -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>${slf4j.version}</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
<version>${logback.version}</version>
<scope>runtime</scope>
</dependency>
<!-- Hibernate -->
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-entitymanager</artifactId>
<version>${hibernate.version}</version>
</dependency>
<!-- Test Artifacts -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${spring-framework.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>${junit.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
das gleiche wie das Add-Seite tun, ich habe alle erforderlichen Dateien enthalten. Ich habe viele Websites und Tutorials ausprobiert, aber nichts funktioniert. Wenn jemand helfen kann, wird es großartig. Vielen Dank. –
okay. Ich werde diese Änderung vornehmen –